Electronic cigarette



FIG. 1 is a perspective view of the front, top, and right side of the design for an electronic cigarette;

FIG. 2 is a front plan view thereof;

FIG. 3 is a back plan view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of the back, bottom, and left side thereof;

FIG. 9 is a perspective view of the front, top, and right side of the design for an electronic cigarette according to another embodiment;

FIG. 10 is a front plan view thereof;

FIG. 11 is a back plan view thereof;

FIG. 12 is a left side view thereof;

FIG. 13 is a right side view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is a bottom plan view thereof; and,

FIG. 16 is a perspective view of the back, bottom, and left side thereof.

Any broken lines in the drawings depict disclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for an electronic cigarette, as shown and described. 